Provincetown, MA Radon Levels

Q: What EPA Radon Zone is Provincetown in?

Provincetown is in Barnstable County, EPA Zone 2.

Q: How much does radon mitigation cost in Provincetown?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

Check local Provincetown radon levels and find certified testing and mitigation professionals to keep your home safe

Provincetown, MA Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)

County Barnstable County, MA

Zip Code 02657

Perched at the tip of Cape Cod in Barnstable County, Provincetown sits on glacial outwash sands and marine deposits that generally produce lower radon levels compared to mainland Massachusetts. The historic seaside community features predominantly older homes with crawl space or slab foundations, many dating to the area's maritime heritage. Though testing data for zip code 02657 is currently limited, Provincetown residents should still consider radon testing as coastal geological conditions can create unexpected radon accumulation patterns.

6.80

pCi/L area average

Above EPA Action Level

Barnstable County average: 6.80 pCi/L, based on 10 user-submitted tests across 6 cities in the county. No homeowner readings have been submitted for Provincetown itself yet, so this county figure is the closest available benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Provincetown, MA Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

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Radon Readings Near Provincetown, MA

No homeowner tests have been submitted for Provincetown yet. The closest cities with user-submitted radon data are shown below — explore them to gauge local conditions. Radon varies by home, so testing is the only way to know your level.

City	Distance	Avg User Level	Readings
Plymouth	25.4 mi	7.00 pCi/L	1
Sandwich	28.0 mi	10.00 pCi/L	1
Kingston	28.7 mi	4.00 pCi/L	1
Osterville	31.0 mi	6.00 pCi/L	1
Buzzards Bay	31.5 mi	9.50 pCi/L	2
Pembroke	31.7 mi	5.00 pCi/L	1
Norwell	33.4 mi	20.00 pCi/L	1
Mashpee	33.8 mi	5.00 pCi/L	4

Barnstable County Radon Profile

EPA mapping assigns Barnstable County to Radon Zone 2, indicating moderate predicted indoor screening levels in the 2 to 4 pCi/L range based on regional geology. Homeowner-submitted tests from 6 cities in Barnstable County average 6.80 pCi/L across 10 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Barnstable County home regardless of zone or a neighbor's results.

Radon FAQ for Provincetown, MA

What EPA Radon Zone is Provincetown in?

Provincetown and the 02657 zip code are in Barnstable County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

Why are radon readings shown from areas near Provincetown?

No homeowner radon tests have been submitted for Provincetown yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Barnstable County average—are the best available indicator of local conditions until Provincetown homeowners submit their own results. The EPA still recommends testing every individual home, since levels can vary significantly from house to house.

How much does radon mitigation cost in Provincetown?

Radon mitigation in Provincetown typically costs between $800 and $2,000. Most homes with standard basements can be mitigated with a sub-slab depressurization system in the $1,000–$1,500 range. Factors that can increase cost include complex foundations, crawl spaces, or very high radon levels.

Should I test for radon if I'm buying a home in Provincetown?

Yes. Radon testing should be part of every home purchase. A short-term radon test is typically included as part of the home inspection process and costs $150–$250. If elevated levels are found, you can negotiate mitigation as part of the sale.